We define R as the level of acceptance in a particular social group. Reputation (R) is built from three dimensions: social activity (D), time (T), and contributions (T).
Social activity is determined by a number of factors such as the number of friends a user has in the social network, the frequency of interactions with these friends, the reputation values of their friends, and the amount of transactions between friends.
Time is determined mainly through the age of the BUS held by users. We believe that long term holders of BUS are more credible than non-holders and less likely to perpetrate malicious acts. Unlike the PoS consensus algorithm, the amount of money held is not the only criterion for measuring whether a node is trustworthy or not. As shown in the figure below, the logarithmic formula of T(β,t) provides a better chance for the majority of average users to obtain high reputations.
Contribution describes the amount of contributions that a user makes in the system, such as storage or computing power.